ranroswang@hksparkling.com 
+86 138 2341 8469
ZGAQ-04478 Steering Ball Joint for Hyundai Wheeled Excavators R210W-9 R210W-9S R210W9-MH R210W9AMH
The ZGAQ-04478 Joint-Ball is a high-performance steering component engineered specifically for the Hyundai R210W-9 series, including specialized Material Handling (MH) models. This ball joint acts as a crucial pivot point in the steering linkage, allowing the wheels to move independently while maintaining precise directional control.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your professional supplier for construction machinery brake and transmission parts.
We are pleased to offer the ZGAQ-04478 Steering Ball Joint, designed for R210W-9 series wheeled excavators. This part is critical for safe and stable steering, directly affecting operational safety and machine control.
The SPARKLING MACHINERY NEW ZGAQ-04478 Joint-Ball Photo:
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High Load-Bearing Capacity: Specially forged to handle the increased weight and stress of the R210W-9 series and Material Handling (MH) configurations.
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Precision Spherical Design: Provides a wide range of motion with zero "play," restoring factory-standard steering accuracy and preventing tire scrub.
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Enhanced Dust Boot Protection: Features a premium grade, tear-resistant rubber boot that seals out water, grit, and corrosive materials from the joint's core.
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Induction Hardened Steel: The ball stud is heat-treated for superior surface hardness and core toughness, significantly reducing the risk of fatigue failure.
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Maintenance-Free Longevity: Internal high-pressure grease and polished bearing surfaces ensure a long service life with minimal maintenance requirements.
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- Compatible Equipment Models：
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| Series | Specific Models |
| 9 Series | R210W-9, R210W-9S, R210W-9 (Brazil) |
| Material Handling | R210W9-MH, R210W9AMH |
| Other Series | Check Serial Number (SN) for HW series compatibility |
Related Spare Parts for Hyundai R210W-9 Maintenance：
| Part Name | Part Number | Function |
| Axial Joint | ZGAQ-02244 | Steering Linkage |
| Tie Rod End | ZGAQ-02245 | Steering Linkage |
| Hub Oil Seal | ZGAQ-02057 | Sealing |
| Universal Joint | ZGAQ-02202 | Power Transmission |
| Slotted Nut | ZGAQ-02198 | Fastening |
Q&A
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Q1: Will the ZGAQ-04478 fit the R210W9-MH (Material Handling) model?
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A: Yes, the ZGAQ-04478 is the standard ball joint for both the R210W-9 excavator and the R210W9-MH material handler models.
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Q2: How do I know when the ball joint needs to be replaced?
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A: Signs include "wandering" steering, excessive vibration in the cab, or visible damage/tearing of the rubber dust boot. If you see grease leaking from the boot, replacement is recommended immediately.
Q3: Is the mounting nut included with this ball joint?
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A: Yes, all ZGAQ-04478 joints supplied by HK Sparkling include the matching high-strength locking nut for a complete installation
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879